About Us

The Studio

Situated in the heart of downtown Renton, Blue Door Skin Studio offers a serene retreat amidst the city’s pulse. We are nestled among some of the city’s most notable landmarks, a stone’s throw from Tonkin Park and between Vigor Fitness and Bank of America. This charming corner of downtown Renton offers an escape from the daily hustle and bustle.

Step inside and let it all melt away. Upon entering our elegant space, you’ll be wrapped in warmth and calm. Cozy up with a fresh cup of coffee or herbal tea in our greeting area before stepping into a private room to begin your personalized experience of rejuvenation.

Our Philosophy: Health, Safety, and Beauty in Harmony

Welcome to your personal oasis, where every detail is curated for your ultimate relaxation and skin transformation.

The health and safety of our clients is the foundation of our philosophy. We are dedicated to maintaining a clean and sterilized facility in which you can feel confident you are receiving world-class treatments. We aim to provide a complete experience that combines the elements of beauty, wellness and serenity. At the same time, we work to educate each of our clients on the health of their skin, so together we can achieve their personalized skin care objectives.

Testimonials

Real Stories, Real Results

Love this studio! The staff is kind, knowledgeable, helpful, and sensitive to my needs and questions. This was my first dermaplaning/chemical peel combo and I love the way my skin looks and feels.

Ricki-Lyn C.

Oct 18, 2025

Always a wonderful experience at Blue Door! Easily book appts online, great service, and so clean. Love my facial & wax.

Helena N.

Aug 30, 2025

I saw Justine last year for my first facial ever and she was so amazing! so relaxing and my skin has been forever changed. She extracted all of the little bumps around the perimeter of my face and its been over a year and they never came back!!

Kaiya C

Aug 19, 2023

Meet Our team

Sepi

Master Esthetician – Acne Specialist

Sepi attended the Euro Institute of Skin Care in 2013 and graduated as a Master Esthetician with a Top Academic Achievement award. She has since worked in several medical spas and provided a variety of services to her clients of all age groups who required assistance in finding the best solution for their skin goals. For her young adolescent clients, the added knowledge of how to take care of their skin improved their self-confidence. She believes that inner beauty and beautifully optimized skin are the most important factors in a person’s appearance. She maintains an up-to-date knowledge by attending professional skin seminars and educational courses and has been providing the most advanced skin care techniques to her clients. She is also a certified microblading technician.

Prior to moving to The United States, Sepi earned her degree in medical sciences. She spent a few years doing research in the field of cancer at the University of San Diego before relocating to the Pacific Northwest. Her medical background assists in providing her clients with a more in-depth knowledge of skin.

Sepi lives with her husband, her daughter, and two lovely cats. While away from her profession, she enjoys cooking, gardening, sewing, knitting, hiking, and biking.

Justine

Master Esthetician – Acne Specialist

Justine began her career as a Makeup Artist in 2001 and has worked with an amazing variety of clients ranging from blushing brides to NFL players to high-school seniors and Miss America contestants. Whether she is working with wives impressing their husbands in the boudoir or celebrities on TV, Justine is there to help them feel confident and look their best.

With makeup as the foundation of Justine’s 20 year career in the health and beauty industry, she decided to take her passion for wellness even further, graduating as a Master Esthetician from The Euro Institute of Skin, and the Washington Laser Institute. Justine’s enthusiasm for sharing her talent in makeup and beauty paired with her exceptional background in esthetics and passion for educating clients has led her to be a very well rounded and uniquely skilled skin professional.

Justine loves what she does and her positivity and glowing energy is felt by her clients who have been working with Justine for years.

When Justine isn’t working, she enjoys spending time with her family and friends hiking, cycling, and paddle boarding.

Brynn Kupferer

Esthetician – Acne Specialist

Brynn graduated from the Euro institute in 2023 where she gained experience sugaring, facials, body treatments, chemical peels and so much more! She is passionate about instilling comfort and dedicated to providing a personalized service while enhancing skin care experiences. Brynn’s goal is to enhance both outer beauty and inner confidence, leaving you feeling refreshed and comfortable in your own skin. Join Brynn on a journey to healthy and radiant skin, where her evolving skills meet genuine care. When she isn’t working, she’s spending time with friends and family and her adorable cat Momo.